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Finding the Fourth Proportional to 298,876.91, 448,093.92 and 180,520.58

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Solution

The fourth proportional to 298,876.91, 448,093.92 and 180,520.58 is: 270,647.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,876.91 : 448,093.92 = 180,520.58 : x
  2. Step 2: Convert to fraction form
    298,876.91/448,093.92 = 180,520.58/x
  3. Step 3: Cross multiply
    298,876.91x = 448,093.92 × 180,520.58
  4. Step 4: Simplify right side
    298,876.91x = 80,890,172,092.40
  5. Step 5: Solve for x
    x = 80,890,172,092.40/298,876.91
  6. Step 6: Final answer
    x = 270,647.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.